NPA
NXX
CLLI
City, ST
Telco
281
219
HSTNTXADCG0
HSTNSUBURB
SOUTHWESTERN BELL
281
442
HSTNTXADCG0
HSTNSUBURB
SOUTHWESTERN BELL
281
449
HSTNTXADCG0
HSTNSUBURB
SOUTHWESTERN BELL
281
590
HSTNTXADCG0
HSTNSUBURB
SOUTHWESTERN BELL
281
985
HSTNTXADCG0
HSTNSUBURB
SOUTHWESTERN BELL
281
986
HSTNTXADCG0
HSTNSUBURB
SOUTHWESTERN BELL
281
987
HSTNTXADCG0
HSTNSUBURB
SOUTHWESTERN BELL